ZAF, with the appropriate firmness for 5 minutes of each morning, supports your body in the upright position without sinking too much when sitting. By raising your pelvis, the curve of your spine is the ideal S-shape, creating a breathing path, allowing you to naturally deepen and longer.This will help you focus more on awareness and improve the quality of your sit zen. In addition, by continuing to sit zen, you can train your inner muscles and improve your daily posture.